CVE-2026-70441: XSS (CVSS 5.4)

Description

Jenkins Summary Display Plugin 1.15 and earlier does not escape the job name in a JavaScript context in build report pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Create or Item/Configure permission.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3750

Frequently Asked Questions

What is CVE-2026-70441? +

Jenkins Summary Display Plugin 1.15 and earlier does not escape the job name in a JavaScript context in build report pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Create or Item/Configure permission. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-70441? +

CVE-2026-70441 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-70441? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-70441